Finding the Fourth Proportional to 199,453.95, 275,226.26 and 122,960.79
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Solution
The fourth proportional to 199,453.95, 275,226.26 and 122,960.79 is: 169,673.44
Step by Step Solution
- Step 1: Write the proportion equation
199,453.95 : 275,226.26 = 122,960.79 : x - Step 2: Convert to fraction form
199,453.95/275,226.26 = 122,960.79/x - Step 3: Cross multiply
199,453.95x = 275,226.26 × 122,960.79 - Step 4: Simplify right side
199,453.95x = 33,842,037,743.54 - Step 5: Solve for x
x = 33,842,037,743.54/199,453.95 - Step 6: Final answer
x = 169,673.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.